Comtech EF Data SLM-5650B - Page 105

SLM-5650B Satellite Modem
Revision 2
Front Panel Operation 5–21 MN-SLM-5650B
This sets an Eb/No threshold such that, when the received carrier Eb/No is less than
the set value, the Rx threshold alarm is set. The valid range is 0.1–20 dB (in 0.1 dB
steps). Press [ENT] when done.
CONFIG: Rx  CnC
This feature is a future option and not available at this time.
CONFIG: Rx  Spreading
You must first go to the (CONFIG

MODE submenu and set the modem
type as LDPC in order to select this menu.
Rx Spreading: Factor:0001 Polyn:0 GSN:0000
ChipRate: 000065.881kcps (E)
Use the  arrow keys to select Factor or Polyn, and then press [ENT].
Use the  arrow keys to select GSN, and then press [ENT].
Use Method 1 or Method 2 to configure these options:
Method
Procedure
1 Key in the desired value using the numbered keypad. Press [ENT] when done
2
Select the digit to be edited using the  arrow keys, and then change the value of that
digit by using the  arrow keys. Press [ENT] when done.
Note the following:
Option
Settings
Factor
Rx Spreading Factor, which is settable from 1 to 512 in integer steps.
Polyn Select 0 or 1.
GSN
Select 0 to 9999.